Samsung Electronics is the new leader in cell phones. Already ahead of the pack in smartphones, Samsung extended its dominance over the entire worldwide handset industry by displacing longtime cell phone king Nokia, according to a study by IHS.

As the saying goes: If you can’t beat ‘em, join ‘em. AT&T announced its own “Mobile Share” plans today, matching Verizon Wireless’ push to get more people to share their data plans with family members.